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conference paper

Recent Development of Solar Cells and Solar Fuels at the Center for Molecular Devices

Hagfeldt, Anders  
2012
Abstracts, 64th Southeast Regional Meeting of the American Chemical Society
64th Southeast Regional Meeting of the American Chemical Society

In 2010, we initialized a breakthrough of using new electrolyte systems for DSC, which is now a fast growing activity worldwide. We discovered that an org. tri-arylamine type dye, with bulky alkoxy donor groups to prevent recombination losses, gives high efficiencies (6.7%) with Co-complex based redox couples. Recently Gratzel's group has taken the DSC world record of 12.3% using our Co-based electrolytes and dye systems. Using the same device concept as for DSC we have developed a photoelectrochem. device with a mol. Ru catalyst adsorbed, via a Nafion membrane, on a nanostructured TiO2 film as anode and a Pt foil as cathode. This system has been successfully demonstrated to split water into O2 and H2 driven by visible light. In another system we have demonstrated a mol. device with a photocathode for hydrogen generation based on p-type semiconductor NiO, an org. dye and a cobalt catalyst.

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Type
conference paper
Author(s)
Hagfeldt, Anders  
Date Issued

2012

Publisher

American Chemical Society

Published in
Abstracts, 64th Southeast Regional Meeting of the American Chemical Society
Start page

SERM

End page

371

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
LSPM  
Event nameEvent placeEvent date
64th Southeast Regional Meeting of the American Chemical Society

Raleigh, NC

November 14-17, 2012

Available on Infoscience
July 6, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/115847
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